Which of the following are the reason(s) for Rheumatoid arthritis? Choose
the correct option.
i. Lymphocytes become more active
ii. Body attacks self cells
iii. More antibodies are produced in the body
iv. The ability to differentiate pathogens or foreign molecules from
self cells is lost
(a) i and ii (b) ii and iv (c) iii and iv (d) i and iii


NCERT Class XII
Biology - Main Course Book

Chapter 8. Human Health and Diseases

1

Answers

  • Brainly User
2015-06-19T12:00:11+05:30

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Rheumatoid arthritis is an auto-immune disorder.
The ability to differentiate pathogens or foreign molecules from self cells is lost and the body attacks self cells.

So, the answer is option (b) ii and iv.
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